Meaning of prakashavigyan in english
Interpreting prakashavigyan - प्रकाशविज्ञान
As noun :
optics Ex:  It is also used as name for women Part of optics that studies these phenomena
Suggested : (used with a singular verb) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision
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prakashavigyan
can be used as noun.. No of characters: 13 including consonants matras.
Transliteration :
prakaashaviGYaana